20728833

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{1301}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 28498176

約数和(自身を除く): 7769343

約数列:

[1, 3, 47, 113, 141, 339, 1301, 3903, 5311, 15933, 61147, 147013, 183441, 441039, 6909611, 20728833]

約数ペア:

[(1, 20728833), (3, 6909611), (47, 441039), (113, 183441), (141, 147013), (339, 61147), (1301, 15933), (3903, 5311)]